CN109213054A - A kind of capacitor intelligence control system and its control method - Google Patents
A kind of capacitor intelligence control system and its control method Download PDFInfo
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- CN109213054A CN109213054A CN201811375528.1A CN201811375528A CN109213054A CN 109213054 A CN109213054 A CN 109213054A CN 201811375528 A CN201811375528 A CN 201811375528A CN 109213054 A CN109213054 A CN 109213054A
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- 239000003990 capacitor Substances 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 25
- 230000003750 conditioning effect Effects 0.000 claims abstract description 16
- 230000002159 abnormal effect Effects 0.000 claims abstract description 7
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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Abstract
The present invention provides a kind of capacitor intelligence control system and its control method, the intelligence control system includes signal acquisition unit, signal conditioning unit, A/D converting unit, control processing unit, display unit, storage unit, key-press input unit, alarm unit, communication unit and execution unit;The intelligence control system automatically adjusts the switching work of the capacitor, issues alarm in time when issuing abnormal, while being uploaded to monitoring center by the communication unit, can effectively improve power quality according to the information of acquisition.The present invention provides a kind of capacitor intelligence control system and method, and the switching situation of capacitor can be determined according to actual power factor, effectively improves power supply quality.
Description
Technical field
The invention belongs to power control technology field, in particular to a kind of capacitor intelligence control system and its controlling party
Method.
Background technique
With the continuous development of science and technology, more and more power products are used in people's production and life, people
Demand and quality requirement to electric energy is also higher and higher.In order to reduce the loss in power Transmission, the capacity of power Transmission is improved
And quality, need to put into the compensation that capacitor carries out reactive power.The present invention throws capacitor using intelligence control system
Cut operation, monitor voltage, electric current in real time, the switching situation of capacitor is determined according to actual power factor, it is ensured that power supply quality and
Reliability.
Summary of the invention
The present invention provides a kind of capacitor intelligence control system and method, can determine capacitor according to actual power factor
Switching situation, effectively improve power supply quality.
The present invention is specially a kind of capacitor intelligence control system, the intelligence control system include signal acquisition unit,
Signal conditioning unit, A/D converting unit, control processing unit, display unit, storage unit, key-press input unit, alarm are single
Member, communication unit and execution unit, it is the signal acquisition unit and the signal conditioning unit, the A/D converting unit, described
Processing unit is controlled to be linked in sequence, the control processing unit also respectively with the display unit, the storage unit, described press
Key input unit, the alarm unit, the communication unit, the execution unit are connected, the execution unit and the electricity
Container is connected;The intelligence control system automatically adjusts the switching work of the capacitor, works as sending according to the information of acquisition
Alarm is issued when abnormal in time, while monitoring center is uploaded to by the communication unit, can effectively improve power quality.
The signal acquisition unit acquires power grid three-phase current signal using current sensor, is acquired using voltage sensor
Power grid three-phase voltage signal acquires the temperature signal and moisture signal of the capacitor using temperature sensor.
The signal conditioning unit includes amplifying circuit and filter circuit, and the amplifying circuit carries out the electric signal of acquisition
Enhanced processing, output meet the signal of the A/D converting unit input requirements, and the filter circuit uses simple RC filtered electrical
Road filtering interference signals.
The key-press input unit carries out parameter setting and information inquiry in conjunction with the storage unit and the display unit,
The parameter includes temperature alarming value, humidity alarm value, the first power factor action value, the second power factor action value.
The alarm unit is alarmed using combined aural and visual alarm, issues alarm signal in time when occurring abnormal;It is described
The information of the intelligence control system is uploaded to the monitoring center using wireless communication technique by communication unit, while can be into
The row parameter setting.
The execution unit carries out the capacitor according to the control instruction of the control processing unit using intelligent switch
Switching operation.
The present invention also provides a kind of control method of capacitor intelligence control system, the control method includes following step
It is rapid:
Step (1): the signal acquisition unit acquisition three-phase voltage signal, current signal, temperature signal and moisture signal,
And the voltage signal, the current signal are transported into the signal conditioning unit, by the temperature signal, the moisture signal
Transport to the A/D converting unit;
Step (2): the voltage signal and the current signal are amplified by the signal conditioning unit, filtered
Processing, and transport to the A/D converting unit;
Step (3): A/D converting unit is carried out by signal of the A/D converting unit to acquisition and inputs the control
Processing unit;
Step (4): the temperature signal is compared by the control processing unit with the temperature alarming value, if more than
The temperature alarming value issues the alarm of temperature height by the alarm unit and the display unit, and passes through the communication unit
Member is uploaded to the monitoring center, if being not more than, enters step (5);
Step (5): the moisture signal is compared by the control processing unit with the humidity alarm value, if more than
The humidity alarm value issues the alarm of humidity height by the alarm unit and the display unit, and passes through the communication unit
Member is uploaded to the monitoring center, if being not more than, enters step (6);
Step (6): calculating power factor according to the voltage signal and the current signal, and with first power
Factor action value is compared, if being lower than the first power factor action value, is controlled the execution unit and is put into the capacitor
Device;
Step (7): the power factor is compared with the second power factor action value, if more than described second
Power factor action value controls the execution unit and cuts the capacitor.
Step (8): information is uploaded to by the monitoring center by the communication unit.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of capacitor intelligence control system of the present invention.
Fig. 2 is a kind of work flow diagram of capacitor intelligence control system control method of the present invention.
Specific embodiment
A kind of specific embodiment of capacitor intelligence control system of the present invention is elaborated with reference to the accompanying drawing.
As shown in Figure 1, intelligence control system of the invention includes signal acquisition unit, signal conditioning unit, A/D conversion list
Member, control processing unit, display unit, storage unit, key-press input unit, alarm unit, communication unit and execution unit, institute
It states signal acquisition unit and the signal conditioning unit, the A/D converting unit, the control processing unit is linked in sequence, institute
It is also single with the display unit, the storage unit, the key-press input unit, the alarm respectively to state control processing unit
First, the described communication unit, the execution unit are connected, and the execution unit is connected with the capacitor;The intelligence control
System processed automatically adjusts the switching work of the capacitor, issues alarm in time when issuing abnormal, together according to the information of acquisition
When monitoring center is uploaded to by the communication unit, can effectively improve power quality.
The signal acquisition unit acquires power grid three-phase current signal using current sensor, is acquired using voltage sensor
Power grid three-phase voltage signal acquires the temperature signal and moisture signal of the capacitor using temperature sensor.
The signal conditioning unit includes amplifying circuit and filter circuit, and the amplifying circuit carries out the electric signal of acquisition
Enhanced processing, output meet the signal of the A/D converting unit input requirements, and the filter circuit uses simple RC filtered electrical
Road filtering interference signals.
The key-press input unit carries out parameter setting and information inquiry in conjunction with the storage unit and the display unit,
The parameter includes temperature alarming value, humidity alarm value, the first power factor action value, the second power factor action value.
The alarm unit is alarmed using combined aural and visual alarm, issues alarm signal in time when occurring abnormal;It is described
The information of the intelligence control system is uploaded to the monitoring center using wireless communication technique by communication unit, while can be into
The row parameter setting.
The execution unit carries out the capacitor according to the control instruction of the control processing unit using intelligent switch
Switching operation.
As shown in Fig. 2, the present invention also provides a kind of control method of capacitor intelligence control system, the control method packet
Include following steps:
Step (1): the signal acquisition unit acquisition three-phase voltage signal, current signal, temperature signal and moisture signal,
And the voltage signal, the current signal are transported into the signal conditioning unit, by the temperature signal, the moisture signal
Transport to the A/D converting unit;
Step (2): the voltage signal and the current signal are amplified by the signal conditioning unit, filtered
Processing, and transport to the A/D converting unit;
Step (3): A/D converting unit is carried out by signal of the A/D converting unit to acquisition and inputs the control
Processing unit;
Step (4): the temperature signal is compared by the control processing unit with the temperature alarming value, if more than
The temperature alarming value issues the alarm of temperature height by the alarm unit and the display unit, and passes through the communication unit
Member is uploaded to the monitoring center, if being not more than, enters step (5);
Step (5): the moisture signal is compared by the control processing unit with the humidity alarm value, if more than
The humidity alarm value issues the alarm of humidity height by the alarm unit and the display unit, and passes through the communication unit
Member is uploaded to the monitoring center, if being not more than, enters step (6);
Step (6): calculating power factor according to the voltage signal and the current signal, and with first power
Factor action value is compared, if being lower than the first power factor action value, is controlled the execution unit and is put into the capacitor
Device;
Step (7): the power factor is compared with the second power factor action value, if more than described second
Power factor action value controls the execution unit and cuts the capacitor.
Step (8): information is uploaded to by the monitoring center by the communication unit.
Finally it should be noted that only illustrating technical solution of the present invention rather than its limitations in conjunction with above-described embodiment.Institute
The those of ordinary skill in category field is it is to be understood that those skilled in the art can repair a specific embodiment of the invention
Change or equivalent replacement, but these modifications or change are being applied among pending claims.
Claims (7)
1. a kind of capacitor intelligence control system, which is characterized in that the intelligence control system includes signal acquisition unit, signal
Conditioning unit, control processing unit, display unit, storage unit, key-press input unit, alarm unit, leads at A/D converting unit
Believe unit and execution unit, the signal acquisition unit and the signal conditioning unit, the A/D converting unit, the control
Processing unit is linked in sequence, and the control processing unit is also defeated with the display unit, the storage unit, the key respectively
Enter unit, the alarm unit, the communication unit, the execution unit to be connected, the execution unit and the capacitor
It is connected;The intelligence control system automatically adjusts the switching work of the capacitor according to the information of acquisition, abnormal when issuing
When issue alarm in time, while monitoring center is uploaded to by the communication unit, can effectively improve power quality.
2. a kind of capacitor intelligence control system according to claim 1, which is characterized in that the signal acquisition unit is adopted
Power grid three-phase current signal is acquired with current sensor, power grid three-phase voltage signal is acquired using voltage sensor, using temperature
Sensor acquires the temperature signal and moisture signal of the capacitor.
3. a kind of capacitor intelligence control system according to claim 2, which is characterized in that the signal conditioning unit packet
Amplifying circuit and filter circuit are included, the electric signal of acquisition is amplified processing by the amplifying circuit, and output meets the A/D and turns
The signal of unit input requirements is changed, the filter circuit uses simple RC filter circuit filtering interference signals.
4. a kind of capacitor intelligence control system according to claim 3, which is characterized in that the key-press input unit knot
It closes the storage unit and the display unit and carries out parameter setting and information inquiry, the parameter includes temperature alarming value, wet
Spend alarming value, the first power factor action value, the second power factor action value.
5. a kind of capacitor intelligence control system according to claim 4, which is characterized in that the alarm unit uses sound
Light crossing-signal is alarmed, and issues alarm signal in time when occurring abnormal;The communication unit will using wireless communication technique
The information of the intelligence control system is uploaded to the monitoring center, while being able to carry out the parameter setting.
6. a kind of capacitor intelligence control system according to claim 5, which is characterized in that the execution unit uses intelligence
The switching operation that the capacitor is carried out according to the control instruction of the control processing unit can be switched.
7. the control method of capacitor intelligence control system described in any one of -6 according to claim 1, which is characterized in that
The control method includes the following steps:
Step (1): the signal acquisition unit acquisition three-phase voltage signal, current signal, temperature signal and moisture signal, and will
The voltage signal, the current signal transport to the signal conditioning unit, and the temperature signal, the moisture signal are transported to
The A/D converting unit;
Step (2): the voltage signal and the current signal are amplified, at filtering by the signal conditioning unit
Reason, and transport to the A/D converting unit;
Step (3): it carries out A/D converting unit by signal of the A/D converting unit to acquisition and inputs the control to handle
Unit;
Step (4): the temperature signal is compared by the control processing unit with the temperature alarming value, if more than described
Temperature alarming value issues the alarm of temperature height by the alarm unit and the display unit, and by the communication unit
The monitoring center is reached, if being not more than, enters step (5);
Step (5): the moisture signal is compared by the control processing unit with the humidity alarm value, if more than described
Humidity alarm value issues the alarm of humidity height by the alarm unit and the display unit, and by the communication unit
The monitoring center is reached, if being not more than, enters step (6);
Step (6): calculating power factor according to the voltage signal and the current signal, and with first power factor
Action value is compared, if being lower than the first power factor action value, is controlled the execution unit and is put into the capacitor;
Step (7): the power factor is compared with the second power factor action value, if more than second power
Factor action value controls the execution unit and cuts the capacitor.
Step (8): information is uploaded to by the monitoring center by the communication unit.
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CN201811375528.1A CN109213054A (en) | 2018-11-19 | 2018-11-19 | A kind of capacitor intelligence control system and its control method |
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CN202840530U (en) * | 2012-10-28 | 2013-03-27 | 湖南金百大能效管理科技有限公司 | Electric energy low voltage dynamic reactive power compensation device |
CN103997046A (en) * | 2014-06-09 | 2014-08-20 | 安徽赛瑞储能设备有限公司 | Switching control method of energy storage unit of box-type energy storage substation |
CN104065087A (en) * | 2014-06-26 | 2014-09-24 | 国家电网公司 | Distribution transformer reactive power compensation method |
CN204179672U (en) * | 2014-11-20 | 2015-02-25 | 深圳市三和电力科技有限公司 | A kind of power factor controller |
KR20160027710A (en) * | 2014-09-02 | 2016-03-10 | 한전케이디엔주식회사 | Energy management device |
CN206148953U (en) * | 2016-08-31 | 2017-05-03 | 湖北华辰凯龙电力有限公司 | Humorous wave mode intelligence power factor controller of low pressure |
CN206685906U (en) * | 2017-05-03 | 2017-11-28 | 深圳市煊尔泰科技有限公司 | Intelligent power capacitor |
CN108832637A (en) * | 2018-06-25 | 2018-11-16 | 湖北工业大学 | A kind of communication-type Intelligent Reactive Compensating Controller and its operation/cutting method |
CN209118103U (en) * | 2018-11-19 | 2019-07-16 | 国网江西省电力有限公司培训中心 | A kind of capacitor intelligence control system |
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2018
- 2018-11-19 CN CN201811375528.1A patent/CN109213054A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102074963A (en) * | 2011-01-17 | 2011-05-25 | 北京清电华力电气自动化科技有限公司 | Intelligent reactive compensation comprehensive control device |
CN202840530U (en) * | 2012-10-28 | 2013-03-27 | 湖南金百大能效管理科技有限公司 | Electric energy low voltage dynamic reactive power compensation device |
CN103997046A (en) * | 2014-06-09 | 2014-08-20 | 安徽赛瑞储能设备有限公司 | Switching control method of energy storage unit of box-type energy storage substation |
CN104065087A (en) * | 2014-06-26 | 2014-09-24 | 国家电网公司 | Distribution transformer reactive power compensation method |
KR20160027710A (en) * | 2014-09-02 | 2016-03-10 | 한전케이디엔주식회사 | Energy management device |
CN204179672U (en) * | 2014-11-20 | 2015-02-25 | 深圳市三和电力科技有限公司 | A kind of power factor controller |
CN206148953U (en) * | 2016-08-31 | 2017-05-03 | 湖北华辰凯龙电力有限公司 | Humorous wave mode intelligence power factor controller of low pressure |
CN206685906U (en) * | 2017-05-03 | 2017-11-28 | 深圳市煊尔泰科技有限公司 | Intelligent power capacitor |
CN108832637A (en) * | 2018-06-25 | 2018-11-16 | 湖北工业大学 | A kind of communication-type Intelligent Reactive Compensating Controller and its operation/cutting method |
CN209118103U (en) * | 2018-11-19 | 2019-07-16 | 国网江西省电力有限公司培训中心 | A kind of capacitor intelligence control system |
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